<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div style="background-color: yellow; float: left;overflow: hidden;width: 10px;">111111111555555555555555555</div>
    <div style="background-color: red; float: left"></div>
    <div style="background-color: green;float: left"></div>
  </body>
  <style>
    div {
      width: 100px;
      height: 100px;
    }
  </style>
</html>
